$(".car_tab .c_num input").live("click",function () {
    var userName=localStorage.getItem("user");
    var id=$(this).parent().find(".jiajian").val();
    var count1=$(this).parent().find(".myinput").val();
    $.getJSON("easybuy/Car/addcar1",
        {"userName":userName,"id":id,"count1":count1},
        function (data) {
            if (data){
                xianshi();
                car();
            } else {
                alert("操作失败！");
            }
        })
});